TYPEMAP
Display *             O_X11_Xlib
DisplayOrNull         O_X11_XlibOrNull
Screen *              O_X11_Xlib_Screen
ScreenNumber          O_X11_Xlib_ScreenNumber
Visual *              O_X11_Xlib_Opaque
VisualOrNull          O_X11_Xlib_OpaqueOrNull
GC                    O_X11_Xlib_Opaque
XEvent *              O_X11_Xlib_Struct
XVisualInfo *         O_X11_Xlib_Struct
XWindowChanges *      O_X11_Xlib_Struct
XWindowAttributes *   O_X11_Xlib_Struct
XSetWindowAttributes* O_X11_Xlib_Struct
XSizeHints *          O_X11_Xlib_Struct
XRectangle *          O_X11_Xlib_Struct
XRenderPictFormat *   O_X11_Xlib_Struct
Window                O_X11_Xlib_XID
Pixmap                O_X11_Xlib_XID
Cursor                O_X11_Xlib_XID
Colormap              O_X11_Xlib_XID
Drawable              O_X11_Xlib_XID
VisualID              O_X11_Xlib_XID
XserverRegion         O_X11_Xlib_XID
Glyph                 O_X11_Xlib_XID
GlyphSet              O_X11_Xlib_XID
Picture               O_X11_Xlib_XID
PictFormat            O_X11_Xlib_XID
Atom                  T_UV
Time                  T_UV
Bool                  T_BOOL
KeyCode               T_IV
KeySym                T_IV

INPUT
O_X11_Xlib
    $var = PerlXlib_get_magic_dpy($arg, 1);

OUTPUT
O_X11_Xlib
    $arg = PerlXlib_obj_for_display($var, 0);

INPUT
O_X11_XlibOrNull
    $var = PerlXlib_get_magic_dpy($arg, 0);

OUTPUT
O_X11_XlibOrNull
    $arg = PerlXlib_obj_for_display($var, 0);

INPUT
O_X11_Xlib_ScreenNumber
    if (!SvOK($arg))
        $var = DefaultScreen(dpy);
    else if (SvROK($arg)) {
        SV **fp;
        if (SvTYPE(SvRV($arg)) == SVt_PVHV && (fp= hv_fetch((HV*)SvRV($arg), \"screen_number\", 13, 0)) && *fp) {
            $var= SvIV(*fp);
        }
        else croak(\"Invalid object passed as Screen number\");
    }
    else {
        $var= SvIV($arg);
        if ($var == -1) $var= DefaultScreen(dpy);
    }

INPUT
O_X11_Xlib_Screen
    $var = PerlXlib_sv_to_screen($arg, 1);

OUTPUT
O_X11_Xlib_Screen
    $arg = PerlXlib_obj_for_screen($var, 0);

INPUT
O_X11_Xlib_XID
    $var = PerlXlib_sv_to_xid($arg);

OUTPUT
O_X11_Xlib_XID
    // Always return unsigned integer.  X11::Xlib::* can override this as needed.
    sv_setuv( $arg, $var );

INPUT
O_X11_Xlib_Struct
    $var= ( $type ) PerlXlib_get_struct_ptr(
        $arg, 0, \"X11::Xlib::@{[ $type =~ /(\w+)/ ]}\", sizeof(@{[ $type =~ /(\w+)/ ]}),
        (PerlXlib_struct_pack_fn*) &PerlXlib_@{[ $type =~ /(\w+)/ ]}_pack
    );

INPUT
O_X11_Xlib_Opaque
    if (sv_isa($arg, \"X11::Xlib::@{[ $type =~ /(\w+)/ ]}\")) {
        $var= ($type) PerlXlib_sv_to_display_innerptr($arg, 1);
    } else {
        croak( \"%s is not a %s\", \"$var\", \"X11::Xlib::@{[ $type =~ /(\w+)/ ]}\" );
    }

OUTPUT
O_X11_Xlib_Opaque
    sv_setsv($arg, PerlXlib_obj_for_display_innerptr(
        dpy, $var, \"X11::Xlib::@{[ $type =~ /(\w+)/ ]}\", SVt_PVMG, 1));

INPUT
O_X11_Xlib_OpaqueOrNull
    if (!SvOK($arg) || (SvIOK($arg) && !SvIV($arg)))
        $var= NULL;
    else if (sv_isa($arg, \"X11::Xlib::@{[ $type =~ /(\w+?)OrNull/ ]}\")) {
        $var= ($type) PerlXlib_sv_to_display_innerptr($arg, 0);
    } else {
        croak( \"%s is not a %s\", \"$var\", \"X11::Xlib::@{[ $type =~ /(\w+)/ ]}\" );
    }

OUTPUT
O_X11_Xlib_OpaqueOrNull
    if ($var)
        sv_setsv($arg, PerlXlib_obj_for_display_innerptr(
            dpy, $var, \"X11::Xlib::@{[ $type =~ /(\w+?)OrNull/ ]}\", SVt_PVMG, 1));
    else
        sv_setsv($arg, &PL_sv_undef);